package com.novel.mapper;

import com.novel.pojo.system.Order;
import tk.mybatis.mapper.common.Mapper;
import tk.mybatis.mapper.common.MySqlMapper;

import java.util.List;
import java.util.Map;

public interface OrderMapper extends Mapper<Order>, MySqlMapper<Order> {

    /**
     * 计算各个订单充值次数
     */
    List<Map<String,Object>> calculateCostAndOrder();

}